13D Filing: Armistice Capital and Cerecor Inc (CERC)

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Exhibit A

AGREEMENT

The undersigned agree that
this Amendment No. 4 to Schedule 13D, dated November 24, 2017, relating to the Common Stock, $0.001 par value, of Cerecor Inc.
shall be filed on behalf of the undersigned.

November 24, 2017
(Date)
Armistice Capital, LLC
By:  /s/ Steven Boyd

Name: Steven Boyd

Title: Managing Member

Armistice Capital Master Fund, Ltd.
By:  /s/ Steven Boyd

Name: Steven Boyd

Title: Director

Steven Boyd
/s/ Steven Boyd

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